4457446143 has 8 divisors (see below), whose sum is σ = 5946251568. Its totient is φ = 2970135744.

The previous prime is 4457446117. The next prime is 4457446157. The reversal of 4457446143 is 3416447544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4457446143 - 2⁹ = 4457445631 is a prime.

It is a super-2 number, since 2×4457446143² = 39737652235491152898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4457446095 and 4457446104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457446843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366780 + ... + 378737.

It is an arithmetic number, because the mean of its divisors is an integer number (743281446).

Almost surely, 2^4457446143 is an apocalyptic number.

4457446143 is a deficient number, since it is larger than the sum of its proper divisors (1488805425).

4457446143 is a wasteful number, since it uses less digits than its factorization.

4457446143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747513.

The product of its digits is 645120, while the sum is 42.

The square root of 4457446143 is about 66764.1081944483. The cubic root of 4457446143 is about 1645.7430693507.

The spelling of 4457446143 in words is "four billion, four hundred fifty-seven million, four hundred forty-six thousand, one hundred forty-three".